CA1160207A - Catalyseurs enrobes, renfermant une charge elevee de phase active, particulierement utiles dans la preparation d'anhydride maleique - Google Patents

Catalyseurs enrobes, renfermant une charge elevee de phase active, particulierement utiles dans la preparation d'anhydride maleique

Info

Publication number: CA1160207A
Authority: CA; Canada
Prior art keywords: oxide material; support; catalytically active; catalyst; maleic anhydride
Prior art date: 1979-12-17
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

CA000384453A

Other languages

English (en)

Inventor

Serge R. Dolhyj

Marc A. Pepera

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Standard Oil Co

Original Assignee

Standard Oil Co

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1979-12-17

Filing date

1981-08-24

Publication date

1984-01-10

1981-08-24 Application filed by Standard Oil Co filed Critical Standard Oil Co

1981-08-24 Priority to CA000384453A priority Critical patent/CA1160207A/fr

1984-01-10 Application granted granted Critical

1984-01-10 Publication of CA1160207A publication Critical patent/CA1160207A/fr

Status Expired legal-status Critical Current

Links

239000003054 catalyst Substances 0.000 title claims abstract description 74
FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 title claims abstract description 38
238000002360 preparation method Methods 0.000 title abstract description 11
238000011068 loading method Methods 0.000 title abstract description 5
239000000203 mixture Substances 0.000 claims abstract description 20
IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims abstract description 17
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 15
229910052698 phosphorus Inorganic materials 0.000 claims abstract description 15
239000011574 phosphorus Substances 0.000 claims abstract description 15
LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 15
229910052720 vanadium Inorganic materials 0.000 claims abstract description 14
KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims abstract description 12
239000007789 gas Substances 0.000 claims abstract description 7
238000007254 oxidation reaction Methods 0.000 claims abstract description 7
VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical class CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 claims abstract description 6
MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract description 6
229910052770 Uranium Inorganic materials 0.000 claims abstract description 6
229910001882 dioxygen Inorganic materials 0.000 claims abstract description 6
230000003647 oxidation Effects 0.000 claims abstract description 6
JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 claims abstract description 6
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 4
229910052760 oxygen Inorganic materials 0.000 claims abstract description 4
239000001301 oxygen Substances 0.000 claims abstract description 4
239000012808 vapor phase Substances 0.000 claims abstract 3
239000000463 material Substances 0.000 claims description 124
239000000843 powder Substances 0.000 claims description 40
238000000034 method Methods 0.000 claims description 31
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 22
238000000576 coating method Methods 0.000 claims description 22
239000011248 coating agent Substances 0.000 claims description 20
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
238000004519 manufacturing process Methods 0.000 claims description 18
239000007788 liquid Substances 0.000 claims description 13
239000000377 silicon dioxide Substances 0.000 claims description 12
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 10
MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 10
238000006243 chemical reaction Methods 0.000 claims description 9
238000009736 wetting Methods 0.000 claims description 6
HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 5
229910010271 silicon carbide Inorganic materials 0.000 claims description 5
229940044600 maleic anhydride Drugs 0.000 claims 17
239000012071 phase Substances 0.000 abstract 1
238000005096 rolling process Methods 0.000 description 27
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 25
238000007792 addition Methods 0.000 description 21
230000003197 catalytic effect Effects 0.000 description 18
239000012153 distilled water Substances 0.000 description 16
239000011149 active material Substances 0.000 description 14
ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 14
239000001273 butane Substances 0.000 description 9
OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 9
229930195733 hydrocarbon Natural products 0.000 description 8
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
229910052799 carbon Inorganic materials 0.000 description 6
239000011521 glass Substances 0.000 description 6
150000002430 hydrocarbons Chemical class 0.000 description 5
239000008188 pellet Substances 0.000 description 5
238000005507 spraying Methods 0.000 description 5
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
239000004215 Carbon black (E152) Substances 0.000 description 4
229910002804 graphite Inorganic materials 0.000 description 4
239000010439 graphite Substances 0.000 description 4
238000010438 heat treatment Methods 0.000 description 4
229910001220 stainless steel Inorganic materials 0.000 description 4
239000010935 stainless steel Substances 0.000 description 4
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
238000001035 drying Methods 0.000 description 3
235000011007 phosphoric acid Nutrition 0.000 description 3
238000010992 reflux Methods 0.000 description 3
229910052684 Cerium Inorganic materials 0.000 description 2
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
COQLPRJCUIATTQ-UHFFFAOYSA-N Uranyl acetate Chemical compound O.O.O=[U]=O.CC(O)=O.CC(O)=O COQLPRJCUIATTQ-UHFFFAOYSA-N 0.000 description 2
238000010533 azeotropic distillation Methods 0.000 description 2
239000012018 catalyst precursor Substances 0.000 description 2
GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 2
229910052802 copper Inorganic materials 0.000 description 2
239000010949 copper Substances 0.000 description 2
230000000694 effects Effects 0.000 description 2
239000012530 fluid Substances 0.000 description 2
239000000047 product Substances 0.000 description 2
239000000376 reactant Substances 0.000 description 2
239000002002 slurry Substances 0.000 description 2
239000000725 suspension Substances 0.000 description 2
241000155250 Iole Species 0.000 description 1
208000036366 Sensation of pressure Diseases 0.000 description 1
GMOLDOXHSKDWQH-UHFFFAOYSA-N [U].[P].[V] Chemical compound [U].[P].[V] GMOLDOXHSKDWQH-UHFFFAOYSA-N 0.000 description 1
239000002253 acid Substances 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
238000013019 agitation Methods 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
150000001299 aldehydes Chemical class 0.000 description 1
229910052783 alkali metal Inorganic materials 0.000 description 1
150000001340 alkali metals Chemical class 0.000 description 1
150000008064 anhydrides Chemical class 0.000 description 1
230000008901 benefit Effects 0.000 description 1
-1 butane do not Natural products 0.000 description 1
238000001354 calcination Methods 0.000 description 1
150000001721 carbon Chemical group 0.000 description 1
239000000969 carrier Substances 0.000 description 1
239000012876 carrier material Substances 0.000 description 1
238000001816 cooling Methods 0.000 description 1
150000002170 ethers Chemical class 0.000 description 1
238000011049 filling Methods 0.000 description 1
239000005457 ice water Substances 0.000 description 1
230000001788 irregular Effects 0.000 description 1
150000002576 ketones Chemical class 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
SFMJNHNUOVADRW-UHFFFAOYSA-N n-[5-[9-[4-(methanesulfonamido)phenyl]-2-oxobenzo[h][1,6]naphthyridin-1-yl]-2-methylphenyl]prop-2-enamide Chemical compound C1=C(NC(=O)C=C)C(C)=CC=C1N1C(=O)C=CC2=C1C1=CC(C=3C=CC(NS(C)(=O)=O)=CC=3)=CC=C1N=C2 SFMJNHNUOVADRW-UHFFFAOYSA-N 0.000 description 1
239000002245 particle Substances 0.000 description 1
230000035515 penetration Effects 0.000 description 1
JKJKPRIBNYTIFH-UHFFFAOYSA-N phosphanylidynevanadium Chemical compound [V]#P JKJKPRIBNYTIFH-UHFFFAOYSA-N 0.000 description 1
229910001392 phosphorus oxide Inorganic materials 0.000 description 1
LFGREXWGYUGZLY-UHFFFAOYSA-N phosphoryl Chemical class [P]=O LFGREXWGYUGZLY-UHFFFAOYSA-N 0.000 description 1
239000002244 precipitate Substances 0.000 description 1
238000011084 recovery Methods 0.000 description 1
239000007787 solid Substances 0.000 description 1
238000003756 stirring Methods 0.000 description 1
229910052714 tellurium Inorganic materials 0.000 description 1
PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
229910001935 vanadium oxide Inorganic materials 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/20—Vanadium, niobium or tantalum
- B01J23/22—Vanadium
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J27/195—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with vanadium, niobium or tantalum
- B01J27/198—Vanadium
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/215—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of saturated hydrocarbyl groups
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
- C07C51/252—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Oil, Petroleum & Natural Gas (AREA)
Chemical Kinetics & Catalysis (AREA)
Furan Compounds (AREA)
Catalysts (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

CA000384453A 1979-12-17 1981-08-24 Catalyseurs enrobes, renfermant une charge elevee de phase active, particulierement utiles dans la preparation d'anhydride maleique Expired CA1160207A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000384453A CA1160207A (fr)	1979-12-17	1981-08-24	Catalyseurs enrobes, renfermant une charge elevee de phase active, particulierement utiles dans la preparation d'anhydride maleique

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US06/104,603 US4312787A (en)	1979-12-17	1979-12-17	Coated catalysts containing high loading of active phase, particularly useful in the preparation of maleic anhydride
CA000384453A CA1160207A (fr)	1979-12-17	1981-08-24	Catalyseurs enrobes, renfermant une charge elevee de phase active, particulierement utiles dans la preparation d'anhydride maleique

Publications (1)

Publication Number	Publication Date
CA1160207A true CA1160207A (fr)	1984-01-10

Family

ID=22301356

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000384453A Expired CA1160207A (fr)	1979-12-17	1981-08-24	Catalyseurs enrobes, renfermant une charge elevee de phase active, particulierement utiles dans la preparation d'anhydride maleique

Country Status (5)

Country	Link
US (2)	US4312787A (fr)
EP (1)	EP0072381B1 (fr)
JP (1)	JPS5836635A (fr)
CA (1)	CA1160207A (fr)
DE (1)	DE3169183D1 (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4444906A (en) *	1981-06-08	1984-04-24	The Standard Oil Company	Method for the preparation of high activity phosphomolybdic acid based catalysts
US4407734A (en) *	1981-08-10	1983-10-04	W. R. Grace & Co.	Spray dried vanadia catalyst and method of preparing it
US4426342A (en)	1981-12-18	1984-01-17	The Standard Oil Company	Process for tableting fine powders
US4562268A (en) *	1983-12-28	1985-12-31	Monsanto Company	Process for producing maleic anhydride
US4560674A (en) *	1983-12-28	1985-12-24	Monsanto Company	Catalysts for the production of maleic anhydride
US4567158A (en) *	1983-12-28	1986-01-28	Monsanto Company	Process for preparing phosphorus-vanadium mixed oxide oxidation catalysts
US4632915A (en) *	1985-10-28	1986-12-30	Monsanto Company	Iron/lithium--promoted catalysts for the production of maleic anhydride
US4670415A (en) *	1985-10-28	1987-06-02	Monsanto Company	Process for the preparation of iron/lithium -promoted catalysts for the production of maleic anhydride
DE3624439A1 (de) *	1986-07-19	1988-01-28	Basf Ag	Verfahren zur herstellung von maleinsaeureanhydrid durch partielle oxidation
JPS63161906U (fr) *	1987-04-06	1988-10-21
US4855459A (en) *	1988-01-19	1989-08-08	Monsanto Company	Process for the production of maleic anhydride
US5168090A (en) *	1990-10-04	1992-12-01	Monsanto Company	Shaped oxidation catalyst structures for the production of maleic anhydride
US5137860A (en) *	1991-06-27	1992-08-11	Monsanto Company	Process for the transformation of vanadium/phosphorus mixed oxide catalyst precursors into active catalysts for the production of maleic anhydride
EP0756519B1 (fr) *	1995-02-17	2001-12-05	Pantochim S.A.	Procede de preparation d'un catalyseur d'oxydation et son utilisation
DE19727235A1 (de) *	1997-06-26	1999-01-07	Consortium Elektrochem Ind	Verfahren zur Herstellung von Schalenkatalysatoren für die Synthese von Maleinsäureanhydrid durch Gasphasenoxidation
BE1012101A6 (fr)	1998-06-23	2000-05-02	Pantochim Sa	Procede de conversion a haut rendement de n-butane en anhydride maleique par recyclage des gaz uses.
DE19840224C2 (de)	1998-09-03	2002-09-12	Consortium Elektrochem Ind	Verfahren zur Herstellung von Katalysatoren für die Synthese von Maleinsäureanhydrid durch Gasphasenoxidation
TWI468223B (zh) *	2008-10-20	2015-01-11	Huntsman Petrochemical Llc	經改良之三瓣形馬來酸酐觸媒及製造馬來酸酐的方法
US8765629B2 (en)	2011-09-16	2014-07-01	Eastman Chemical Company	Process for preparing V-Ti-P catalysts for synthesis of 2,3-unsaturated carboxylic acids
US8993801B2 (en)	2011-09-16	2015-03-31	Eastman Chemical Company	Process for preparing V-Ti-P catalysts for synthesis of 2,3-unsaturated carboxylic acids
US9573119B2 (en)	2011-09-16	2017-02-21	Eastman Chemical Company	Process for preparing V—Ti—P catalysts for synthesis of 2,3-unsaturated carboxylic acids
US8883672B2 (en)	2011-09-16	2014-11-11	Eastman Chemical Company	Process for preparing modified V-Ti-P catalysts for synthesis of 2,3-unsaturated carboxylic acids
KR102353146B1 (ko)	2018-03-13	2022-01-18	주식회사 엘지화학	페라이트계 코팅 촉매의 제조방법 및 이를 이용한 부타디엔의 제조방법

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3474041A (en) *	1964-03-05	1969-10-21	Petro Tex Chem Corp	Organo-phosphorus compounds in the reactivation of vanadium - phosphorus-oxygen catalysts
FR1470581A (fr) *	1965-03-05	1967-02-24	Basf Ag	Catalyseur pour la préparation de l'anhydride maléique
US3907835A (en) *	1971-05-20	1975-09-23	Gulf Research Development Co	Preparation of maleic anhydride using a catalyst containing a uranyl ion
US3864280A (en) *	1972-06-19	1975-02-04	Chevron Res	Catalyst for a n-butane oxidation to maleic anhydride
US4132670A (en) *	1974-11-06	1979-01-02	Chevron Research Company	Method of preparing vanadium (IV) phosphate composition with high intrinsic surface area
US4077912A (en) *	1972-10-12	1978-03-07	Standard Oil Company	Catalysts useful for exothermic reactions
US3980585A (en) *	1974-05-28	1976-09-14	Petro-Tex Chemical Corporation	Catalyst and process for preparing maleic anhydride from C4 hydrocarbons
US4043943A (en) *	1974-11-06	1977-08-23	Chevron Research Company	Process for producing a mixed oxide of vanadium and phosphorus having an improved intrinsic surface area
US4064070A (en) *	1974-12-23	1977-12-20	Chevron Research Company	Catalyst for producing maleic anhydride
US4076731A (en) *	1975-04-28	1978-02-28	The Standard Oil Company	Process for preparing phthalic anhydride
DE2538463A1 (de) *	1975-08-29	1977-03-10	Basf Ag	Verfahren zur aufarbeitung von wasserhaltigen gemischen, die halogene und/oder halogenwasserstoffe enthalten
US4056487A (en) *	1975-10-02	1977-11-01	Petro-Tex Chemical Corporation	Vanadium phosphorus oxygen oxidation catalysts useful for preparing anhydrides from alkanes
US4097501A (en) *	1976-05-19	1978-06-27	The Standard Oil Company	Use of coated catalysts in the preparation of maleic anhydride
US4178298A (en) *	1976-05-21	1979-12-11	Lonza, Ltd.	Process for preparing maleic anhydride
US4172084A (en) *	1977-05-31	1979-10-23	Standard Oil Company	Production of maleic anhydride from four-carbon hydrocarbons using catalysts prepared by hydrothermal techniques
US4165299A (en) *	1978-05-23	1979-08-21	Atlantic Richfield Company	Preparation of a single phase vanadium (IV) bis (metaphosphate) oxidation catalyst with an improved surface area
US4218382A (en) *	1978-10-23	1980-08-19	Standard Oil Company	Production of maleic anhydride from four-carbon hydrocarbons using catalysts prepared by water reflux techniques

1979
- 1979-12-17 US US06/104,603 patent/US4312787A/en not_active Expired - Lifetime
1981
- 1981-06-08 US US06/271,153 patent/US4336198A/en not_active Expired - Fee Related
- 1981-08-19 DE DE8181303776T patent/DE3169183D1/de not_active Expired
- 1981-08-19 EP EP81303776A patent/EP0072381B1/fr not_active Expired
- 1981-08-24 CA CA000384453A patent/CA1160207A/fr not_active Expired
- 1981-08-27 JP JP56134814A patent/JPS5836635A/ja active Pending

Also Published As

Publication number	Publication date
EP0072381A1 (fr)	1983-02-23
EP0072381B1 (fr)	1985-03-06
US4312787A (en)	1982-01-26
DE3169183D1 (en)	1985-04-11
US4336198A (en)	1982-06-22
JPS5836635A (ja)	1983-03-03

Legal Events

Date	Code	Title	Description
2001-01-10	MKEX	Expiry

Publication	Publication Date	Title
CA1160207A (fr)	1984-01-10	Catalyseurs enrobes, renfermant une charge elevee de phase active, particulierement utiles dans la preparation d'anhydride maleique
CA1150232A (fr)	1983-07-19	Catalyseurs mixtes d'oxydes de vanadium et de phosphore et leur preparation
US4151116A (en)	1979-04-24	Preparation of maleic anhydride
US5137860A (en)	1992-08-11	Process for the transformation of vanadium/phosphorus mixed oxide catalyst precursors into active catalysts for the production of maleic anhydride
US4351773A (en)	1982-09-28	Preparation of maleic anhydride from butane using fluidized vanadium-phosphorous-oxide containing catalysts
US4056487A (en)	1977-11-01	Vanadium phosphorus oxygen oxidation catalysts useful for preparing anhydrides from alkanes
CA1157455A (fr)	1983-11-22	Preparation de catalyseurs au vanadium et au phosphore grace a des milieux de reaction olefiniques oxygenes
JPS6190737A (ja)	1986-05-08	改善された無水カルボン酸触媒
US4632915A (en)	1986-12-30	Iron/lithium--promoted catalysts for the production of maleic anhydride
US6048987A (en)	2000-04-11	Process for producing coated catalysts for the synthesis of maleic anhydride by gas-phase oxidation
CA2375799C (fr)	2008-01-15	Precurseur de catalyseur a l'oxyde mixte de vanadium/phosphore
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